GiGuard® Bi-Directional ESD Protection Diodes KYOCERA AVX GiGuard® Bi-Directional ESD Protection Diodes for high-speed circuits feature TVS technology combined with a unique leadless package. The components offer clamping voltages below 12V and capacitance values as low as 0.3pf. This combination protects sensitive ICs during ESD events and preserves the integrity of the protected high-speed signals.